RUKO HGB-DIN352-HSS-55° Hand Tap M8 x 1.25 mm, HSS-G, DIN 352, Straight Flute, 3 Flutes, Bright Finish

This RUKO hand tap stands out with its precision-ground HSS-G construction and DIN 352 compliance, delivering reliable thread cutting for metric ISO threads. The M8 x 1.25 mm size with a 55° helix angle is ideal for creating standard coarse threads in a wide range of materials.

Highlights

• Made from high-speed steel (HSS-G) with a bright, uncoated finish for durability and sharpness.
• Conforms to DIN 352, ensuring dimensional accuracy and compatibility with standard tap wrenches.
• Straight flute design with 3 flutes provides efficient chip evacuation in both through and blind holes.
• Right-hand cutting direction and ISO 2 (6H) tolerance class for precise, standard threads.
• Square drive shank (4.9 mm) for secure gripping in tap handles or machine chucks.

In daily use

This tap is suitable for cutting M8 coarse threads in unalloyed and low-alloyed steels, cast iron, and non-ferrous metals. Use a suitable cutting oil or emulsion for best results and extended tool life. The 75 mm overall length and 6 mm shank diameter make it compatible with common tap wrenches.

Full specifications

• Material: HSS-G (High-Speed Steel, Ground)
• Standard: DIN 352
• Thread Type: Metric ISO Thread
• Nominal Thread Diameter: M8 (8 mm)
• Thread Pitch: 1.25 mm (Coarse Thread)
• Direction of Cut: Right-hand
• Tap Type: Single Hand Tap (Finishing Tap)
• Tolerance Class: ISO 2 (6H)
• Flute Type: Straight Flute
• Number of Flutes: 3
• Shank Type: Square Drive
• Overall Length: 75 mm
• Shank Diameter: 6 mm
• Square Drive Size: 4.9 mm
• Surface Treatment: Bright (uncoated)

Final note

A dependable choice for workshops and maintenance tasks requiring accurate M8 threads in common materials.